Pocket knife



FIG. 1 is a perspective view of the pocket knife;

FIG. 2 is a left side view of the pocket knife;

FIG. 3 is a right side view of the pocket knife;

FIG. 4 is a top view of the pocket knife;

FIG. 5 is a bottom view of the pocket knife;

FIG. 6 is a front view of the pocket knife; and,

FIG. 7 is a back view of the pocket knife.

The dotted lines shown in FIGS. 1-7 are environmental only and form no part of the claimed design. 

CLAIM The ornamental design for a pocket knife, as shown and described. 